New York Islanders' Cal Clutterbuck (15) and Calgary Flames' Mike Cammalleri (13) lose their balance on the ice as Islanders' Brock Nelson (29) advances the puck ahead of Flames' Sean Monahan (23) in the first

UNIONDALE, N.Y. (AP) -- Matt Stajan scored the tiebreaking goal late in the third period and rookie Reto Berra made 28 saves as the Calgary Flames beat the New York Islanders 4-2 Thursday night.

Stajan banked the puck off the Islanders goalie Evgeni Nabokov from a sharp angle at 14:28 to lift the Flames to their sixth victory in seven games and their first at Nassau Coliseum since 2004. It was the 10th goal of the season for Stajan.

Mikael Backlund added an empty-net goal for the Flames.

Sean Monahan and Dennis Wideman scored in the second period to put Calgary ahead 2-0. But the Islanders rallied to tie it on goals by defensemen Thomas Hickey and Calvin de Haan.